About the Authors
Department of Plant Pathology, University of Kentucky, Lexington, Kentucky, United States of America
Department of Molecular Genetics, Microbiology, and Immunology, UMDNJ Robert Wood Johnson Medical School, Piscataway, New Jersey, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: ZL JP PDN. Performed the experiments: ZL JP ST. Analyzed the data: ZL JP TGK PDN. Contributed reagents/materials/analysis tools: ZL AME TGK. Wrote the paper: ZL PDN.